1 files changed, 78 insertions, 84 deletions

diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 14b8ab386daf..b0e5e716b167 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -37,9 +37,18 @@ int led_blink;
 module_param_named(blink, led_blink, int, 0444);
 MODULE_PARM_DESC(blink, "Enable LED blink on activity");
 
+static int ath9k_btcoex_enable;
+module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
+MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
+
+int ath9k_pm_qos_value = ATH9K_PM_QOS_DEFAULT_VALUE;
+module_param_named(pmqos, ath9k_pm_qos_value, int, S_IRUSR | S_IRGRP | S_IROTH);
+MODULE_PARM_DESC(pmqos, "User specified PM-QOS value");
+
 /* We use the hw_value as an index into our private channel structure */
 
 #define CHAN2G(_freq, _idx)  { \
+        .band = IEEE80211_BAND_2GHZ, \
         .center_freq = (_freq), \
         .hw_value = (_idx), \
         .max_power = 20, \
@@ -206,7 +215,9 @@ static void setup_ht_cap(struct ath_softc *sc,
         ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
         ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
 
-        if (AR_SREV_9300_20_OR_LATER(ah))
+        if (AR_SREV_9485(ah))
+                max_streams = 1;
+        else if (AR_SREV_9300_20_OR_LATER(ah))
                 max_streams = 3;
         else
                 max_streams = 2;
@@ -222,9 +233,9 @@ static void setup_ht_cap(struct ath_softc *sc,
         tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, max_streams);
         rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, max_streams);
 
-        ath_print(common, ATH_DBG_CONFIG,
-                  "TX streams %d, RX streams: %d\n",
-                  tx_streams, rx_streams);
+        ath_dbg(common, ATH_DBG_CONFIG,
+                "TX streams %d, RX streams: %d\n",
+                tx_streams, rx_streams);
 
         if (tx_streams != rx_streams) {
                 ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
@@ -267,8 +278,8 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
         struct ath_buf *bf;
         int i, bsize, error, desc_len;
 
-        ath_print(common, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
-                  name, nbuf, ndesc);
+        ath_dbg(common, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
+                name, nbuf, ndesc);
 
         INIT_LIST_HEAD(head);
 
@@ -279,8 +290,7 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 
         /* ath_desc must be a multiple of DWORDs */
         if ((desc_len % 4) != 0) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "ath_desc not DWORD aligned\n");
+                ath_err(common, "ath_desc not DWORD aligned\n");
                 BUG_ON((desc_len % 4) != 0);
                 error = -ENOMEM;
                 goto fail;
@@ -314,9 +324,9 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
                 goto fail;
         }
         ds = (u8 *) dd->dd_desc;
-        ath_print(common, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
-                  name, ds, (u32) dd->dd_desc_len,
-                  ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
+        ath_dbg(common, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
+                name, ds, (u32) dd->dd_desc_len,
+                ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
 
         /* allocate buffers */
         bsize = sizeof(struct ath_buf) * nbuf;
@@ -370,9 +380,9 @@ static void ath9k_init_crypto(struct ath_softc *sc)
         /* Get the hardware key cache size. */
         common->keymax = sc->sc_ah->caps.keycache_size;
         if (common->keymax > ATH_KEYMAX) {
-                ath_print(common, ATH_DBG_ANY,
-                          "Warning, using only %u entries in %u key cache\n",
-                          ATH_KEYMAX, common->keymax);
+                ath_dbg(common, ATH_DBG_ANY,
+                        "Warning, using only %u entries in %u key cache\n",
+                        ATH_KEYMAX, common->keymax);
                 common->keymax = ATH_KEYMAX;
         }
 
@@ -395,7 +405,8 @@ static void ath9k_init_crypto(struct ath_softc *sc)
 
 static int ath9k_init_btcoex(struct ath_softc *sc)
 {
-        int r, qnum;
+        struct ath_txq *txq;
+        int r;
 
         switch (sc->sc_ah->btcoex_hw.scheme) {
         case ATH_BTCOEX_CFG_NONE:
@@ -408,8 +419,8 @@ static int ath9k_init_btcoex(struct ath_softc *sc)
                 r = ath_init_btcoex_timer(sc);
                 if (r)
                         return -1;
-                qnum = sc->tx.hwq_map[WME_AC_BE];
-                ath9k_hw_init_btcoex_hw(sc->sc_ah, qnum);
+                txq = sc->tx.txq_map[WME_AC_BE];
+                ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);
                 sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
                 break;
         default:
@@ -422,59 +433,18 @@ static int ath9k_init_btcoex(struct ath_softc *sc)
 
 static int ath9k_init_queues(struct ath_softc *sc)
 {
-        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         int i = 0;
 
-        for (i = 0; i < ARRAY_SIZE(sc->tx.hwq_map); i++)
-                sc->tx.hwq_map[i] = -1;
-
         sc->beacon.beaconq = ath9k_hw_beaconq_setup(sc->sc_ah);
-        if (sc->beacon.beaconq == -1) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to setup a beacon xmit queue\n");
-                goto err;
-        }
-
         sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
-        if (sc->beacon.cabq == NULL) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to setup CAB xmit queue\n");
-                goto err;
-        }
 
         sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
         ath_cabq_update(sc);
 
-        if (!ath_tx_setup(sc, WME_AC_BK)) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to setup xmit queue for BK traffic\n");
-                goto err;
-        }
-
-        if (!ath_tx_setup(sc, WME_AC_BE)) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to setup xmit queue for BE traffic\n");
-                goto err;
-        }
-        if (!ath_tx_setup(sc, WME_AC_VI)) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to setup xmit queue for VI traffic\n");
-                goto err;
-        }
-        if (!ath_tx_setup(sc, WME_AC_VO)) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to setup xmit queue for VO traffic\n");
-                goto err;
-        }
+        for (i = 0; i < WME_NUM_AC; i++)
+                sc->tx.txq_map[i] = ath_txq_setup(sc, ATH9K_TX_QUEUE_DATA, i);
 
         return 0;
-
-err:
-        for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
-                if (ATH_TXQ_SETUP(sc, i))
-                        ath_tx_cleanupq(sc, &sc->tx.txq[i]);
-
-        return -EIO;
 }
 
 static int ath9k_init_channels_rates(struct ath_softc *sc)
@@ -570,6 +540,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
         ah->hw_version.subsysid = subsysid;
         sc->sc_ah = ah;
 
+        if (!sc->dev->platform_data)
+                ah->ah_flags |= AH_USE_EEPROM;
+
         common = ath9k_hw_common(ah);
         common->ops = &ath9k_common_ops;
         common->bus_ops = bus_ops;
@@ -577,10 +550,10 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
         common->hw = sc->hw;
         common->priv = sc;
         common->debug_mask = ath9k_debug;
+        common->btcoex_enabled = ath9k_btcoex_enable == 1;
         spin_lock_init(&common->cc_lock);
 
         spin_lock_init(&sc->wiphy_lock);
-        spin_lock_init(&sc->sc_resetlock);
         spin_lock_init(&sc->sc_serial_rw);
         spin_lock_init(&sc->sc_pm_lock);
         mutex_init(&sc->mutex);
@@ -600,13 +573,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
         if (ret)
                 goto err_hw;
 
-        ret = ath9k_init_debug(ah);
-        if (ret) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to create debugfs files\n");
-                goto err_debug;
-        }
-
         ret = ath9k_init_queues(sc);
         if (ret)
                 goto err_queues;
@@ -629,8 +595,6 @@ err_btcoex:
                 if (ATH_TXQ_SETUP(sc, i))
                         ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 err_queues:
-        ath9k_exit_debug(ah);
-err_debug:
         ath9k_hw_deinit(ah);
 err_hw:
         tasklet_kill(&sc->intr_tq);
@@ -642,6 +606,37 @@ err_hw:
         return ret;
 }
 
+static void ath9k_init_band_txpower(struct ath_softc *sc, int band)
+{
+        struct ieee80211_supported_band *sband;
+        struct ieee80211_channel *chan;
+        struct ath_hw *ah = sc->sc_ah;
+        struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
+        int i;
+
+        sband = &sc->sbands[band];
+        for (i = 0; i < sband->n_channels; i++) {
+                chan = &sband->channels[i];
+                ah->curchan = &ah->channels[chan->hw_value];
+                ath9k_cmn_update_ichannel(ah->curchan, chan, NL80211_CHAN_HT20);
+                ath9k_hw_set_txpowerlimit(ah, MAX_RATE_POWER, true);
+                chan->max_power = reg->max_power_level / 2;
+        }
+}
+
+static void ath9k_init_txpower_limits(struct ath_softc *sc)
+{
+        struct ath_hw *ah = sc->sc_ah;
+        struct ath9k_channel *curchan = ah->curchan;
+
+        if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
+                ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ);
+        if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
+                ath9k_init_band_txpower(sc, IEEE80211_BAND_5GHZ);
+
+        ah->curchan = curchan;
+}
+
 void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 {
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -652,7 +647,8 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 IEEE80211_HW_SUPPORTS_PS |
                 IEEE80211_HW_PS_NULLFUNC_STACK |
                 IEEE80211_HW_SPECTRUM_MGMT |
-                IEEE80211_HW_REPORTS_TX_ACK_STATUS;
+                IEEE80211_HW_REPORTS_TX_ACK_STATUS |
+                IEEE80211_HW_NEED_DTIM_PERIOD;
 
         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
                  hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
@@ -705,6 +701,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
                     const struct ath_bus_ops *bus_ops)
 {
         struct ieee80211_hw *hw = sc->hw;
+        struct ath_wiphy *aphy = hw->priv;
         struct ath_common *common;
         struct ath_hw *ah;
         int error = 0;
@@ -737,11 +734,19 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
         if (error != 0)
                 goto error_rx;
 
+        ath9k_init_txpower_limits(sc);
+
         /* Register with mac80211 */
         error = ieee80211_register_hw(hw);
         if (error)
                 goto error_register;
 
+        error = ath9k_init_debug(ah);
+        if (error) {
+                ath_err(common, "Unable to create debugfs files\n");
+                goto error_world;
+        }
+
         /* Handle world regulatory */
         if (!ath_is_world_regd(reg)) {
                 error = regulatory_hint(hw->wiphy, reg->alpha2);
@@ -754,6 +759,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
         INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
         INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
         sc->wiphy_scheduler_int = msecs_to_jiffies(500);
+        aphy->last_rssi = ATH_RSSI_DUMMY_MARKER;
 
         ath_init_leds(sc);
         ath_start_rfkill_poll(sc);
@@ -799,7 +805,6 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
                 if (ATH_TXQ_SETUP(sc, i))
                         ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-        ath9k_exit_debug(sc->sc_ah);
         ath9k_hw_deinit(sc->sc_ah);
 
         tasklet_kill(&sc->intr_tq);
@@ -866,20 +871,12 @@ static int __init ath9k_init(void)
                 goto err_out;
         }
 
-        error = ath9k_debug_create_root();
-        if (error) {
-                printk(KERN_ERR
-                        "ath9k: Unable to create debugfs root: %d\n",
-                        error);
-                goto err_rate_unregister;
-        }
-
         error = ath_pci_init();
         if (error < 0) {
                 printk(KERN_ERR
                         "ath9k: No PCI devices found, driver not installed.\n");
                 error = -ENODEV;
-                goto err_remove_root;
+                goto err_rate_unregister;
         }
 
         error = ath_ahb_init();
@@ -893,8 +890,6 @@ static int __init ath9k_init(void)
  err_pci_exit:
         ath_pci_exit();
 
- err_remove_root:
-        ath9k_debug_remove_root();
  err_rate_unregister:
         ath_rate_control_unregister();
  err_out:
@@ -906,7 +901,6 @@ static void __exit ath9k_exit(void)
 {
         ath_ahb_exit();
         ath_pci_exit();
-        ath9k_debug_remove_root();
         ath_rate_control_unregister();
         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
 }